Improvement in plows



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sEYM'oUR'cURTIs, or FITCHBU'RG, WISCONSIN.

Lem/'rs Paten; No. 87,149, dated Ferm/ry 23, 1869.

The Schedule referred to n thse Letters Patent and making part of the same.

To all whom 'it conce/m Be-it known that I, SEYMOUR CURTIS, ofthe town of Fitchburg, in the county of Dane, in the State of Wisconsin, have invented certain new and useful Improvements in Expanding and Contracting Gorn- Plows or 'Oultivators, for plowing andv cultivating corn and other growing crops; and I -do hereby declare that the following is a full and exact description thereof', reference being had to the accompanying drawings, which are made a lpart of this specication, and to the letters of reference marked thereon.l

The nature of my invention consistsl in a new and improved mode of manufacturing a corn-plow, so that it will .expand and contract, and thereby more thoroughly cultivate the soil around the plant, such as corn and the like. l

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction and operation.

In the drawings- Figure l represents the inished plow.

Figure 2 is an underneath view of the plow-iron, Secured to the slide-plate, that secures it to the plowbeam underneath by bolts.

Figures 3, 4, 5, 6, 7, and 8detail views of the respective parts composing th`e improvements.

To more fully explain the separate parts, a. a represent the irons of the plow, of the usual form, secured to the beam, b, by the slides c c, in the slide-plates dd,

and bolted crosswise underneath the plow-beam b, and

strengthened and secured, at their desired points, by the braces c c and rods ff, hooked 'to the staples g g, on the slides h h, movable in the slide-plates t' i, bolted, one on each side ofthe plow-beam b, lengthwise, easily adjusted and movable, and secured by the levers jj, in connection with the teeth on the slide-plates h h.

Also, the slides c c are movable, and secured, at any desired point of the slide-plates d d, by moving a bolt from one hole to another slide-bolt hole.

From' the above description,it is apparent that it is easily expanded or contracted at pleasure, strongand secure; or one of the irons may be left olf, making a single plow, or made in pairs, one turning to the right, the other to the left. r

I do not claim the .double cultivator.

l. The plow-irons a a, secured to slides c c, moving plow, nor the expandingin slide-plates d d, bolted to the under side of plowbeam. b crosswise.

, 2.. staples g 9,011 slides h h,m0vab1ein slide-planesv i i, bolted, one on each side of plow-beam b, in connection with the levers jj and rods fj, or their equivalents, for the purposes speciedvand described.

SEYMOUR CURTIS. Witnesses:

WM. F. VILAs, HENRY VILAs. 

